/* ============================================
   SOUNDWAVE — STYLES
   Palette: Acid Neon × Void Black
   Fonts: Syne (Google Fonts)
============================================ */

/* --- RESET & BASE --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --lime:    #CCFF00;
  --pink:    #FF3CAC;
  --cyan:    #00CFFF;
  --void:    #0D0D0D;
  --deep:    #1A1A2E;
  --surface: #111120;
  --card:    #16162A;
  --border:  rgba(204,255,0,0.12);
  --text:    #E8E4DF;
  --muted:   #7A7A9A;
  --font:    'Syne', sans-serif;
  --radius:  4px;
  --player-h: 80px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--void);
  color: var(--text);
  overflow-x: hidden;
  padding-bottom: var(--player-h);
}

/* --- SCROLLBAR --- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--void); }
::-webkit-scrollbar-thumb { background: var(--lime); border-radius: 2px; }

/* --- TYPOGRAPHY --- */
em { font-style: italic; color: var(--lime); }

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn--neon {
  background: var(--lime);
  color: var(--void);
}
.btn--neon:hover {
  background: #d9ff1a;
  box-shadow: 0 0 24px rgba(204,255,0,0.5), 0 0 60px rgba(204,255,0,0.2);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn--ghost:hover {
  border-color: var(--lime);
  color: var(--lime);
}
.btn--outline {
  background: transparent;
  color: var(--lime);
  border: 1.5px solid var(--lime);
}
.btn--outline:hover {
  background: rgba(204,255,0,0.08);
  box-shadow: 0 0 20px rgba(204,255,0,0.2);
}
.btn--lg { padding: 14px 32px; font-size: 0.9rem; }
.btn--sm { padding: 6px 14px; font-size: 0.75rem; }

/* ============================================
   NAV
============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 0 40px;
  height: 64px;
  background: rgba(13,13,13,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
.nav.scrolled { background: rgba(13,13,13,0.98); }

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-icon {
  font-size: 1.4rem;
  color: var(--lime);
  animation: spin-slow 8s linear infinite;
}
.logo-text {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--text);
}

.nav__links {
  display: flex;
  list-style: none;
  gap: 32px;
  margin-left: auto;
}
.nav__links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--lime); }

.nav__actions {
  display: flex;
  gap: 12px;
  margin-left: 32px;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all 0.3s;
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ============================================
   HERO
============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding: 100px 80px 80px;
  overflow: hidden;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(204,255,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(204,255,0,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero__noise {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.4;
}

.hero__content {
  position: relative;
  z-index: 2;
  animation: fadeUp 0.8s ease both;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 32px;
  background: rgba(204,255,0,0.04);
}
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.hero__title {
  display: flex;
  flex-direction: column;
  font-size: clamp(3.5rem, 7vw, 7rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}
.hero__title .line { display: block; }
.hero__title .line--1 {
  color: var(--text);
  animation: fadeUp 0.8s 0.1s ease both;
}
.hero__title .line--2 {
  color: var(--text);
  animation: fadeUp 0.8s 0.2s ease both;
}
.hero__title .line--2 em {
  color: var(--lime);
  font-style: italic;
}
.hero__title .line--3 {
  color: var(--pink);
  -webkit-text-stroke: 2px var(--pink);
  color: transparent;
  animation: fadeUp 0.8s 0.3s ease both;
}

.hero__sub {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted);
  max-width: 480px;
  margin-bottom: 40px;
  animation: fadeUp 0.8s 0.4s ease both;
}

.hero__cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeUp 0.8s 0.5s ease both;
}

/* Hero Visual */
.hero__visual {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  animation: fadeIn 1s 0.3s ease both;
}

.hero__waveform {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 120px;
  width: 100%;
  justify-content: center;
}
.hero__waveform .bar {
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(to top, var(--pink), var(--lime));
  animation: wave-hero var(--dur, 1s) ease-in-out infinite alternate;
  animation-delay: var(--delay, 0s);
  transform-origin: bottom;
}
@keyframes wave-hero {
  from { transform: scaleY(0.15); opacity: 0.4; }
  to   { transform: scaleY(1);    opacity: 1; }
}

.hero__vinyl {
  position: relative;
  width: 260px;
  height: 260px;
}
.vinyl-disc {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: repeating-radial-gradient(
    circle at center,
    #1a1a2e 0px,
    #1a1a2e 4px,
    #222240 4px,
    #222240 8px
  );
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 0 0 2px rgba(204,255,0,0.2),
    0 0 40px rgba(204,255,0,0.1),
    0 20px 60px rgba(0,0,0,0.6);
  animation: vinyl-spin 4s linear infinite paused;
}
.vinyl-disc.playing { animation-play-state: running; }
@keyframes vinyl-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.vinyl-label {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--lime), var(--pink));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--void);
  letter-spacing: 0.1em;
}
.vinyl-glow {
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(204,255,0,0.15) 0%, transparent 70%);
  pointer-events: none;
  animation: glow-pulse 2s ease-in-out infinite;
}
@keyframes glow-pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

.hero__scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 80px;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--muted);
}
.scroll-line {
  width: 60px;
  height: 1px;
  background: linear-gradient(to right, var(--muted), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
  0%, 100% { width: 60px; opacity: 1; }
  50% { width: 30px; opacity: 0.4; }
}

/* ============================================
   TICKER
============================================ */
.ticker {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--deep);
  padding: 14px 0;
}
.ticker__track {
  display: flex;
  gap: 24px;
  white-space: nowrap;
  animation: ticker 30s linear infinite;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--muted);
}
.ticker__track span { flex-shrink: 0; }
.ticker__track .sep { color: var(--lime); }
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================
   SECTION SHARED
============================================ */
.section-header {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}
.section-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--lime);
  text-transform: uppercase;
  width: 100%;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
}
.see-all {
  margin-left: auto;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--lime);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: opacity 0.2s;
}
.see-all:hover { opacity: 0.7; }

/* ============================================
   EXPLORE / TRACKS GRID
============================================ */
.explore {
  padding: 80px 80px;
}

.tracks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.track-card--featured {
  grid-column: span 1;
  grid-row: span 2;
}

.track-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}
.track-card:hover {
  transform: translateY(-4px);
  border-color: rgba(204,255,0,0.3);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 20px rgba(204,255,0,0.08);
}

.track-card__art {
  position: relative;
  height: 180px;
  overflow: hidden;
  background: var(--deep);
}
.track-card--featured .track-card__art { height: 320px; }

.track-art-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 30% 50%,
    hsl(var(--hue), 80%, 30%) 0%,
    transparent 70%
  );
  opacity: 0.6;
}

.track-waveform {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  display: flex;
  align-items: flex-end;
  gap: 2px;
  padding: 0 12px 8px;
}
.track-waveform .bar {
  flex: 1;
  border-radius: 2px 2px 0 0;
  background: rgba(255,255,255,0.2);
  transition: background 0.3s;
  animation: wave-card var(--dur, 1.2s) ease-in-out infinite alternate;
  animation-delay: var(--delay, 0s);
}
.track-card:hover .track-waveform .bar {
  background: rgba(204,255,0,0.5);
}

.track-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--lime);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.25s ease;
}
.track-play-btn svg { width: 18px; height: 18px; color: var(--void); fill: var(--void); margin-left: 3px; }
.track-card:hover .track-play-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  box-shadow: 0 0 30px rgba(204,255,0,0.5);
}

.track-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  background: var(--pink);
  color: white;
}
.track-badge--new { background: var(--cyan); color: var(--void); }
.track-badge--fire { background: transparent; font-size: 1rem; padding: 0; }

.track-card__info {
  padding: 16px 18px;
}
.track-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.track-artist {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 12px;
}
.track-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.72rem;
}
.track-genre {
  padding: 2px 8px;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--lime);
  font-weight: 600;
  letter-spacing: 0.05em;
}
.track-duration { color: var(--muted); }
.track-plays { color: var(--muted); margin-left: auto; }

@keyframes wave-card {
  from { transform: scaleY(0.2); }
  to   { transform: scaleY(1); }
}

/* ============================================
   TRENDING
============================================ */
.trending {
  padding: 80px 80px;
  background: var(--deep);
}

.trending-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.trending-item {
  display: grid;
  grid-template-columns: 48px 80px 1fr 100px 60px 50px 44px;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}
.trending-item:hover {
  background: var(--card);
  border-color: var(--border);
}

.trending-rank {
  font-size: 1.4rem;
  font-weight: 800;
  color: rgba(255,255,255,0.1);
  font-variant-numeric: tabular-nums;
}
.trending-item:hover .trending-rank { color: var(--lime); }

.trending-mini-wave {
  height: 32px;
  display: flex;
  align-items: center;
  gap: 2px;
}
.trending-mini-wave .bar {
  width: 3px;
  border-radius: 2px;
  background: var(--muted);
  animation: wave-mini var(--dur, 1s) ease-in-out infinite alternate;
  animation-delay: var(--delay, 0s);
}
.trending-item:hover .trending-mini-wave .bar { background: var(--lime); }
@keyframes wave-mini {
  from { transform: scaleY(0.2); }
  to   { transform: scaleY(1); }
}

.trending-info strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 2px;
}
.trending-info span {
  font-size: 0.75rem;
  color: var(--muted);
}

.trending-genre-tag {
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid var(--border);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.05em;
  text-align: center;
}

.trending-change {
  font-size: 0.75rem;
  font-weight: 700;
}
.trending-change.up { color: var(--lime); }
.trending-change.down { color: var(--pink); }

.trending-time {
  font-size: 0.8rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.trending-play {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  opacity: 0;
}
.trending-play svg { width: 12px; height: 12px; fill: var(--text); margin-left: 2px; }
.trending-item:hover .trending-play { opacity: 1; }
.trending-play:hover {
  background: var(--lime);
  border-color: var(--lime);
}
.trending-play:hover svg { fill: var(--void); }

/* ============================================
   CATEGORIES
============================================ */
.categories {
  padding: 80px 80px;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.cat-card {
  position: relative;
  height: 140px;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  text-decoration: none;
  border: 1px solid var(--border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.cat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.cat-card:hover .cat-wave .bar { animation-play-state: running; }

.cat-wave {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 8px;
  opacity: 0.3;
}
.cat-wave .bar {
  flex: 1;
  border-radius: 2px;
  animation: wave-cat 1.5s ease-in-out infinite alternate paused;
  animation-delay: var(--delay, 0s);
}
.cat-card:hover .cat-wave { opacity: 0.6; }
@keyframes wave-cat {
  from { transform: scaleY(0.1); }
  to   { transform: scaleY(1); }
}

.cat-name {
  position: relative;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: white;
  z-index: 1;
}
.cat-count {
  position: relative;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.6);
  z-index: 1;
  margin-top: 4px;
}

.cat-card--trap    { background: linear-gradient(135deg, #1a0a2e, #3d1e7c); }
.cat-card--techno  { background: linear-gradient(135deg, #0a1a2e, #1e3d7c); }
.cat-card--ambient { background: linear-gradient(135deg, #0a2e1a, #1e7c3d); }
.cat-card--rnb     { background: linear-gradient(135deg, #2e0a1a, #7c1e3d); }
.cat-card--afro    { background: linear-gradient(135deg, #2e1a0a, #7c3d1e); }
.cat-card--lofi    { background: linear-gradient(135deg, #1a2e0a, #3d7c1e); }
.cat-card--dnb     { background: linear-gradient(135deg, #2e2a0a, #7c6e1e); }
.cat-card--hyper   { background: linear-gradient(135deg, #2e0a2a, #7c1e7a); }

.cat-card--trap    .cat-wave .bar { background: #BF5FFF; }
.cat-card--techno  .cat-wave .bar { background: var(--cyan); }
.cat-card--ambient .cat-wave .bar { background: #00FF88; }
.cat-card--rnb     .cat-wave .bar { background: var(--pink); }
.cat-card--afro    .cat-wave .bar { background: #FF8C00; }
.cat-card--lofi    .cat-wave .bar { background: var(--lime); }
.cat-card--dnb     .cat-wave .bar { background: #FFD700; }
.cat-card--hyper   .cat-wave .bar { background: #FF69B4; }

/* ============================================
   ARTISTS
============================================ */
.artists {
  padding: 80px 80px;
  background: var(--deep);
}

.artists-row {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
}
.artists-row::-webkit-scrollbar { display: none; }

.artist-card {
  flex-shrink: 0;
  width: 200px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  transition: all 0.3s ease;
}
.artist-card:hover {
  border-color: rgba(204,255,0,0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.artist-avatar {
  position: relative;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ac, var(--lime)), rgba(255,255,255,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--void);
  margin-bottom: 8px;
}
.artist-ring {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--ac, var(--lime));
  opacity: 0.4;
  animation: ring-pulse 2s ease-in-out infinite;
}
@keyframes ring-pulse {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.08); opacity: 0.8; }
}

.artist-card strong {
  font-size: 0.95rem;
  font-weight: 700;
}
.artist-card > span {
  font-size: 0.75rem;
  color: var(--muted);
}
.artist-followers {
  font-size: 0.72rem !important;
  color: var(--lime) !important;
  font-weight: 600;
}

/* ============================================
   UPLOAD CTA
============================================ */
.upload-cta {
  position: relative;
  padding: 120px 80px;
  overflow: hidden;
  text-align: center;
}
.upload-cta__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(204,255,0,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(255,60,172,0.12) 0%, transparent 60%),
    var(--void);
}
.upload-cta__content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}
.upload-cta__content h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 16px 0 20px;
}
.upload-cta__content p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted);
  margin-bottom: 48px;
}

.upload-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-bottom: 48px;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat strong {
  font-size: 2rem;
  font-weight: 800;
  color: var(--lime);
}
.stat span {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ============================================
   FOOTER
============================================ */
.footer {
  background: var(--deep);
  border-top: 1px solid var(--border);
  padding: 60px 80px 0;
}
.footer__top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--border);
}
.footer__brand .logo-text { font-size: 1.1rem; }
.footer__brand p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
  margin-top: 16px;
  max-width: 280px;
}
.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.footer__col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer__col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 4px;
}
.footer__col a {
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer__col a:hover { color: var(--lime); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 0.78rem;
  color: var(--muted);
}
.footer__social {
  display: flex;
  gap: 20px;
}
.footer__social a {
  color: var(--muted);
  text-decoration: none;
  font-size: 1rem;
  transition: color 0.2s;
}
.footer__social a:hover { color: var(--lime); }

/* ============================================
   STICKY PLAYER
============================================ */
.player {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--player-h);
  background: rgba(17,17,32,0.97);
  backdrop-filter: blur(24px);
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 280px 1fr 2fr 1fr;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  z-index: 200;
  box-shadow: 0 -8px 40px rgba(0,0,0,0.5);
}

.player__track {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}
.player__art {
  width: 48px;
  height: 48px;
  border-radius: 4px;
  flex-shrink: 0;
  overflow: hidden;
  background: var(--deep);
}
.player__art-inner {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--pink), var(--lime));
  animation: art-shift 4s ease-in-out infinite alternate;
}
@keyframes art-shift {
  from { filter: hue-rotate(0deg); }
  to   { filter: hue-rotate(60deg); }
}
.player__info { min-width: 0; }
.player__title {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.player__artist {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.player__like {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}
.player__like.liked { color: var(--pink); }
.player__like:hover { color: var(--pink); transform: scale(1.2); }

.player__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.player__btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  padding: 4px;
}
.player__btn svg { width: 18px; height: 18px; }
.player__btn:hover { color: var(--text); }
.player__btn--main {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--lime);
  color: var(--void);
  flex-shrink: 0;
}
.player__btn--main svg { width: 16px; height: 16px; fill: var(--void); }
.player__btn--main:hover {
  background: #d9ff1a;
  box-shadow: 0 0 20px rgba(204,255,0,0.4);
  color: var(--void);
  transform: scale(1.05);
}

.player__progress-area {
  display: flex;
  align-items: center;
  gap: 12px;
}
.player__time {
  font-size: 0.72rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  width: 32px;
}
.player__progress {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  overflow: visible;
}
.player__progress-fill {
  height: 100%;
  background: linear-gradient(to right, var(--lime), var(--pink));
  border-radius: 2px;
  width: 0%;
  transition: width 0.1s linear;
  position: relative;
}
.player__progress-thumb {
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--lime);
  opacity: 0;
  transition: opacity 0.2s;
}
.player__progress:hover .player__progress-thumb { opacity: 1; }

.player__right {
  display: flex;
  align-items: center;
  gap: 20px;
  justify-content: flex-end;
}

.player__visualizer {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 32px;
}
.player__visualizer .bar {
  width: 3px;
  border-radius: 2px;
  background: var(--lime);
  animation: wave-player var(--dur, 0.8s) ease-in-out infinite alternate;
  animation-delay: var(--delay, 0s);
  animation-play-state: paused;
}
.player__visualizer.active .bar { animation-play-state: running; }
@keyframes wave-player {
  from { transform: scaleY(0.1); opacity: 0.4; }
  to   { transform: scaleY(1); opacity: 1; }
}

.player__volume {
  display: flex;
  align-items: center;
  gap: 8px;
}
.player__volume svg { color: var(--muted); flex-shrink: 0; }
.volume-slider {
  -webkit-appearance: none;
  width: 80px;
  height: 3px;
  background: rgba(255,255,255,0.15);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--lime);
  cursor: pointer;
}

/* ============================================
   ANIMATIONS
============================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 1200px) {
  .hero { padding: 100px 40px 80px; gap: 40px; }
  .explore, .trending, .categories, .artists, .upload-cta, .footer { padding-left: 40px; padding-right: 40px; }
  .tracks-grid { grid-template-columns: repeat(2, 1fr); }
  .track-card--featured { grid-column: span 2; grid-row: span 1; }
  .track-card--featured .track-card__art { height: 200px; }
  .categories-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 900px) {
  .nav__links, .nav__actions { display: none; }
  .nav__hamburger { display: flex; }
  .hero { grid-template-columns: 1fr; padding: 100px 24px 60px; }
  .hero__visual { display: none; }
  .hero__scroll-hint { left: 24px; }
  .explore, .trending, .categories, .artists, .upload-cta { padding-left: 24px; padding-right: 24px; }
  .footer { padding-left: 24px; padding-right: 24px; }
  .tracks-grid { grid-template-columns: 1fr; }
  .track-card--featured { grid-column: span 1; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .trending-item { grid-template-columns: 40px 60px 1fr 60px; }
  .trending-genre-tag, .trending-change, .trending-time { display: none; }
  .player { grid-template-columns: 1fr auto 1fr; }
  .player__right { display: none; }
  .footer__top { grid-template-columns: 1fr; gap: 40px; }
  .upload-stats { gap: 32px; }
}

@media (max-width: 600px) {
  .hero__title { font-size: clamp(2.8rem, 12vw, 4rem); }
  .player { grid-template-columns: 1fr auto; gap: 12px; padding: 0 16px; }
  .player__progress-area { display: none; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__links { grid-template-columns: 1fr 1fr; }
}